实义动词的否定句否定句中and,some与any的用法情态动词can的否定Be动词的否定构成:be+not⑴Iamagirl.Iamagirl.not⑵Youareshort.Youareshort.not⑶Sheisugly.Sheisugly.not把下列句子变成否定句•1.Iamagirl.__________________•2.Heismyteacher.____________•3.Jimmy’sdadisinthebathroom.____________________________•4.SheiswatchingTVnow.____________________________•5.Thereisabirdonmyhead.____________________________can的用法•can情态动词,可以,能•主语+can+V•e.g.•You/He/Icanhearthemusic.I/She/You/Hecandance.•构成:在can后加not,其余部分不变。cannot=can’t•e.g.•Thebirdscanfly.•Thebirdscannot=can’tfly.•Marycandance.•Marycan’t=can’tdance.Practice•Icanswim.____________________•Shecandance.________________•Mymothercanhearwithherears.•_____________________________•LucyandLindacanwalktoschool.•_____________________________•MyDadcanseesomechildreninthegarden.•_____________________________1.Ilikevegetables.Idon'tlikevegetables.2.Youlikevegetables.Youdon'tlikevegetables.3.Helikesvegetables.Hedoesn'tlikevegetables.6.Theygotoschool.Theydon’tgotoschool.4.Wegotoschool.Wedon’tgotoschool.5.Yougotoschool.Youdon’tgotoschool.I/You/We/They/Thestudents非第三人称单数+don't+动词原形+其它He/She/ItMyfather第三人称单数+doesn't+动词原形+其它构成:1.否定句中and要变为or2.否定句中some要变为anyHecansinganddance.Hecan’tsingordance.Hehassomebreadandjuice.Hedoesn’thaveanybreadorjuice.1.Iwantsomelamb.Idon'twantanylamb.2.Hewantssomelamb.Hedoesn'twantanylamb.有能有是加not,无能无是借don’t/doesn’t,否定some变any,记住don’t/doesn’t照妖镜,后面动词现原形.